Suspicious Unsigned Thor Scanner Execution

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About the rule

Rule Type

Standard

Rule Description

Detects loading and execution of an unsigned thor scanner binary.

Severity

Trouble

Rule Requirement

Criteria

Action1: actionname = "sa_imageloaded" AND (PROCESSNAME endswith "\thor.exe,\thor64.exe" AND OBJECTNAME endswith "\thor.exe,\thor64.exe") AND (SIGNED != "true" OR SIGNATURESTATUS != "valid" OR SIGNATURE != "Nextron Systems GmbH") select Action1.HOSTNAME,Action1.MESSAGE,Action1.PROCESSNAME,Action1.PRODUCT_NAME,Action1.OBJECTNAME

Detection

Execution Mode

realtime

Log Sources

Windows

Author

Nasreddine Bencherchali (Nextron Systems)